20244343 has 4 divisors (see below), whose sum is σ = 23136400. Its totient is φ = 17352288.

The previous prime is 20244337. The next prime is 20244361. The reversal of 20244343 is 34344202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20244343 - 2⁹ = 20243831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446018 + ... + 1446031.

It is an arithmetic number, because the mean of its divisors is an integer number (5784100).

Almost surely, 2^20244343 is an apocalyptic number.

20244343 is a deficient number, since it is larger than the sum of its proper divisors (2892057).

20244343 is an equidigital number, since it uses as much as digits as its factorization.

20244343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892056.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 20244343 is about 4499.3714005403. The cubic root of 20244343 is about 272.5427052000.

Adding to 20244343 its reverse (34344202), we get a palindrome (54588545).

The spelling of 20244343 in words is "twenty million, two hundred forty-four thousand, three hundred forty-three".